Home / 99,619.06-137,473.09-54,296.90

Finding the Fourth Proportional to 99,619.06, 137,473.09 and 54,296.90

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Solution

The fourth proportional to 99,619.06, 137,473.09 and 54,296.90 is: 74,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,619.06 : 137,473.09 = 54,296.90 : x
  2. Step 2: Convert to fraction form
    99,619.06/137,473.09 = 54,296.90/x
  3. Step 3: Cross multiply
    99,619.06x = 137,473.09 × 54,296.90
  4. Step 4: Simplify right side
    99,619.06x = 7,464,362,658.87
  5. Step 5: Solve for x
    x = 7,464,362,658.87/99,619.06
  6. Step 6: Final answer
    x = 74,929.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.